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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Mycobacterium ulcerans
Category: Primarily of interest in human medicin
Etymology: Genus name: small fungus-like rod.
Species epithet: cause ulceration
Significance:  [Of minor importance]   
Taxonomy:
Phylum
Actinobacteria
Class
Actinobacteria
Order
Corynebacteriales
Family
Mycobacteriaceae 
Genus
Mycobacterium
Type Strain: ATCC 19423 =NTCC 10417
Macromorphology (smell):
Micromorphology: Acid-fast rods
Gram +/Gram -:G+ (but difficult to gram stain)
Catalase/Oxidase:
Spec. Char.: M. ulcerans is a slow grower (it takes more than 7 days to see colonies with the naked eye).
Disease:Ulcerative skin infections.
Hosts: Humans
Clinical Picture: Ulcerative skin infections.
Virulence Factors: Forms an extrcellular heat-labile toxin.
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
X88926 Borstel 10564/70 1457  

Taxonomy/phylogeny:
 
About 175 species have been described within genus Mycobacterium and this genus is closely related to Rhodococcus, Nocardia and Corynebacterium. M. ulcerans is very closely related to M. marinum.
Updated:2020-11-05

News

New families introduced within the order Enterobacterales
Phylogenetic tree for the order <i>Enterobacteriales</i>.

The order Enterobacterales (formerly called Enterobacteriales) previously consisted of bacteria with different properties and phylogenetically, these bacteria were far apart. In order for the taxonomy to be more in line with phylogeny, some of these bacteria have, therefore, been sorted into 6 new families.

Published 2022-04-13. Read more...

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